n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 8 |
4 | 17 |
5 | 36 |
6 | 78 |
7 | 170 |
8 | 375 |
9 | 833 |
10 | 1870 |
11 | 4229 |
12 | 9654 |
13 | 22223 |
14 | 51622 |
15 | 120961 |
16 | 286029 |
17 | 682398 |
18 | 1642821 |
19 | 3990231 |
20 | 9777678 |
21 | 24166327 |
22 | 60233185 |
23 | 151350709 |
24 | 383287499 |
25 | 977918150 |
26 | 2512805727 |
27 | 6500178867 |
28 | 16921248231 |
29 | 44310852884 |
30 | 116678914575 |
[1,2,4,8,17,36,78,170,375,833,1870,4229,9654, 22223,51622,120961,286029,682398,1642821,3990231, 9777678,24166327,60233185,151350709,383287499, 977918150,2512805727,6500178867,16921248231, 44310852884,116678914575] |